Aws
#WDILTW – AWS RDS Proxy
This week I was evaluating AWS RDS Proxy . If you are familiar with the Relational Database Service (RDS) and use MySQL or Postgres, this is an additional option to consider.
Read moreEnforcing a least privileged security model can be hard
In a greenfield environment you generally have the luxury to right any wrongs of any past tech debt. It can be more difficult to apply this to an existing environment? For example, my setup is configured to just work with the AWS CLI and various litmus tests to validate that.
Read moreA testimony to Linux resilience
A client released a new version of their website onto 20 AWS m1.medium instances (current site at peak load runs approximately 60 m1.medium webservers). It was clearly an unsuccessful release, but what was surprising was the system did not actually crash, it was effectively a meltdown, but servers were still operational with load averages > 100.
Read moreAn unexplained connection experience
The “Too many connections” problem is a common issue with applications using excessive permissions (and those that grant said global permissions). MySQL will always grant a user with SUPER privileges access to a DB to investigate the problem with a SHOW PROCESSLIST and where you can check the limits.
Read moreAdditional DB objects in AWS RDS
To expand on Jervin’s Default RDS Account Privileges , RDS for MySQL provides a number of routines and triggers defined the the ‘mysql’ meta schema. These help in various tasks because the SUPER privilege is not provided.
Read moreCloning MySQL 5.6 instances
A tip for all those cloud users that like cloning database servers (as reported in my book Effective MySQL – Replication Techniques in Depth ). Starting with MySQL 5.6, MySQL instances have a UUID .
Read moreBasic scalability principles to avert downtime
In the press in the last two days has been the reported outage of Amazon Web Services Elastic Compute Cloud (EC2) in just one North Virginia data center. This has affected many large website includes FourSquare , Hootsuite , Reddit and Quora .
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